Table 1.

Various classes/families/subtypes of enzymes involved in histone methylation and acetylation reactions.

Classification	Family/Type			Enzymes	References
HMTs	PRMTs	TYPE I		PRMT 1, PRMT 3, PRMT 4/CRM1, PRMT-6, PRMT-8	[42,43,44,55,56]
		TYPE II		PRMT 5, PRMT 9/FBXO11	[57]
		TYPE III		PRMT7	[57]
	KMTs	SET	SET I	EZH I, H3K27	[46,47]
			SET 2	NSD1-3, SETD2, SMYD2	[58,59,60,61]
			SUV39	SUV39H1, SUV39H2, G9a GLP, ESET//SETDB1 CLLL8/SETDB2	[62,63,64,65,66]
			RIZ	RIZ 1, BLIMP1/PRDM1 PFM1/CRS2	[67]
			Nongroup	SET7/9, SET8, SUV4-20H1 SUV4-20H2	[61,68]
		Seven-β-strand (7BS)		Dot1/DOT1L	[49]
HDMs	KDM1			KDM1A, KDM1B	[36]
	JMJC			KDM2-7/8	[51,52]
HATs	GNAT			KAT2A, KAT2B	[69,70]
	MYST			KAT7, KAT8, KAT5, KAT6A KAT6B	[71,72]
	p300/CBP			KAT3B	[73]
	Transcription coactivators			KAT4, KAT12	[74]
	Steroid receptor			KAT13A, KAT13B KAT13C, KAT13D	[74]
	Cytoplasmic			HAT1, HAT4	[75]
HDACs	CLASS 1			HDAC1, HDAC2 HDAC3, HDAC8	[76,77,78,79]
	CLASS II a			HDAC4, HDAC5 HDAC7, HDAC9	[80,81,82,83]
	CLASS II b			HDAC6, HDAC10	[84]
	CLASS III			Sirtuins (SIRT 1-7)	[85]
	CLASS IV			HDAC 11	[86]